Vacuum cleaner



FIG. 1 is a perspective view of vacuum cleaner, showing our new design;

FIG. 2 is a front side elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a rear side elevation view thereof;

FIG. 6 is a plan view thereof;

FIG. 7 is another top plan view thereof; and,

FIG. 8 is a bottom view thereof.

We claim the ornamental design for a vacuum cleaner, as shown anddescribed.